Rectangulometer
直角测试仪
🗣️ 情景例句
Is something still wrong, Robbie?
还有什么不对的地方吗， Robbie？
Old wood is best to burn, old book to read.
老柴好烧，老书宜读。
We have learnt to expect that trains will be punctual.
我们已经习惯于相信火车总是准点的。